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形容词、副词(adj,原级以辅音字母+y结尾,则要将y改为i再加-er,-est,如:heavyheavierheaviest;,原级以重读闭音节结尾，且末尾只有一个辅音字母，要双写这个辅间字母再加-er-est,如：hot-hotter-hottestthin-thinner-thinnest,大多数双音节和多音节词的比较级，最高级是在原级前加more,most,如：beautiful-morebeautiful-mostbeautiful;,记忆口诀：合二为一共三对,两多many/much”“两好good/well”，和两坏“坏bad/badly”,“病ill”,一分为二只两个，一是“远far”来二是“老old”，far-farther/further-farthest/furthestold-older/elder-oldest/eldest还有一词little含双义，只记“少”来不记“小”。little-less-least,不规则的比较级、最高级要特别记忆,掌握形容词、副词表示比较的几种结构。程度相当时用as+原级+as.(和.一样.)Eg:MikeisastallasTom.程度不相当用“not+so/as+原级+as.”(不如.不及.)或比较级+thanEg:Todayisnotso/ashotasyesterdayTodayiscoolerthanyesterday,(多音节词用less+原级+than表示不如.)Eg:Thismovieislessinterestingthanthatone.,比较级前可用much,alot,far，alittle,noeven等词修饰比较的程度Eg:Todayismuch/alittlecoolerthanyesterday,比较级+and同一比较级表示越来越；（多音节词：moreandmore+原级）eg:warmerandwarmer/betterandbettermoreandmoreinteresting/beautiful,the+比较级.the+另一个比较级表示越越；eg:Themorewegettogetherthehappierwewillbe.,Who/Whichis+比较级，AorB？the+比较级ofthetwo.(两者中较.的一个)eg:Whichisbetter,theblueoneortheblackone?Thelongerofthetworulersismine,倍数的表达方法：Ais.timesas+adj原级+asB(A是B的.倍)eg:Thisgardenisfourtimesaslargeasthatone.Ais.times+adj比较级+thanB(A比B大/多.倍)eg:Thisgardenisthreetimeslargerthanthatone.,三者、三者以上的比较,一般用最高级;用介词in/of/among短语表示比较的范围；eg：Heisthetallestinourclass.比较级形式表达最高级概念：a:比较级+thananyother+单名(同一范围)比较级+thantheother+复名（同一范围）比较级+thananybody/anythingelse(同范围)eg:ShanghaiislagerthananyothercityinChina.ShanghaiislagerthantheothercitiesinChina.Heistallerthananyoneelseinourclass.,b:比较级+thanother.(不同范围)eg:TheUSisstrongerthanotherdevelopingcountries.,形容词的最高级前要用定冠词the如有其它限定词不用the,副词的最高级前可用也可不用定冠词the.eg:thebestnovel/hisbestnovel.Jimjumped(the)highestamongus.,区分以下形容词和副词的用法alone&lonely/already,yet&still/also,too,either/interesting,interested/toomuch,toomany,muchtoo/so,such/,ago从现在起的.以前”，before从过去起的.以前,以前,ill做表语，不做定语sick既能做表语也能做定语,all+限定词+名词&限定词+whole+名词,Ivisitedhimthreedaysago,buthehadgonetoShanghaiaweekbefore,Sheisill/sick.asickboy,thesick,allthesummer/thewholesummerallmylife/mywholelife,注意：dead,wrong,right,afraid,sorry,alone无比较级,【例1】Whichis_seasoninBeijing?Ithinkitsautumn.A.goodB.betterC.bestD.thebest,典型例题解析,【例2】Itis_todaythanyesterday.Shallwegoswimmingthisafternoon?A.thehottestB.hotC.hottestD.hotter,D,D,【例3】Jimisrunning_Bruce.Theyreneckandneck.A.fasterthanB.asfastasC.asfasterasD.moreslowlythan,【例4】Hermotherwasout.Shestayedathome_,butshedidntfeel_.A.alone,lonelyB.lonely,aloneC.alone,lonelyD.lonely,alone,B,A,【例5】Isthephysicsproblem_?Yes,Icanworkitout_.A.easy,easilyB.easy,easyC.easily,easyD.easily,easily,A,I.写出下列词的比较级和最高级。1.badly/bad/ill2.early3.difficult4.thin5.hard,课时训练,worseworstearlierearliestmoredifficultmostdifficultthinnerthinnestharderhardest,IthinkEnglishisasasmaths.D.importanterimportantB.moreimportantC.mostimportant2.Mothergetsupinmyfamily.earlyB.earlierC.earliestD.theearlier3.ThenextmorningJennygotupeven.earlyB.earlierC.earliestD.theearliest4.Emilysingsofthefivegirls.goodB.wellC.betterD.best5.Infact,Deliaisalittlethanhereldersister.tallB.tallerC.tallestD.thetallest6.HeididoesnotjumpsoasJane.A.highB.higherC.highestD.thehighest,7.Ofallthestarsthesunistous.closeB.closerC.closestD.theclosest8.Barbarafeltmuchthanbeforeafterdark.coldB.colderC.coldestD.thecoldest9.Thisjacketissmallerthanthatonebutits.expensiveB.moreexpensiveC.mostexpensiveD.themostexpensive10.Ourcountryhasbecomeinthepast20years.moreandmorerichandstrongmorericherandmorestrongerC.morerichandmorestrongD.richerandstronger,11.WilliamShakespeareisoneofplaywritersinEngland.greatB.greaterC.greatestD.thegreatest12.-WhatdoyouthinkofMissListeaching?-Oh,nooneelseteaches.goodB.wellC.fineD.better13.ThepopulationofJapanisthanthatofChina.A.fewerB.smallerC.largerD.more14.ThenextdayJimwasverywetagain,andhismotherbecameangrier.veryB.moreC.evenD.ever15.Tomismorecarefulthananyinhisclass.A.boyB.otherboysC.boysD.otherboy,Dosomeexercises,同义句转换,Heisthetalleststudentinhisclass.Heis_studentinhisclass.Heis_studentsinhisclass.Peterdrawswell,Lileidrawsbetter.Lileidraws_ofthetwo.Thetractorgoesfasterthanthebike.Thebikegoes_thanthetractor.Hiscakeischeaperthanthetwinscakes.Hiscakeis_ofthethree.,tallerthananyother,tallerthantheother,better,moreslowly,thedearest,Seeyounexttime!,
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